Jacksonville, FL – Dangerous heat and relentless afternoon thunderstorms are making for a risky week across Jacksonville, with heat index values soaring as high as 106 through Friday and severe storms forecast to hit each afternoon. Residents should expect the highest risks during late-day commutes, with rapid downpours threatening both road safety and localized flooding.
According to the National Weather Service, Tuesday will bring highs near 94 and an extreme heat index, followed by an 80% chance of heavy storms after 3 p.m. Winds will shift from calm to southwest by afternoon, increasing the risk of sudden severe weather. These patterns continue through the week: expect afternoon and evening thunderstorms with short bursts of torrential rain and gusty winds, especially on Wednesday and Thursday. Flash flooding could impact low-lying neighborhoods and major routes like I-95 and the Arlington Expressway.
City services urge residents to avoid non-essential travel during peak storm hours, monitor weather alerts, and keep emergency kits ready. Power outages remain possible, especially if strong winds topple tree limbs onto lines. Outdoor workers and students should stay hydrated and limit time in the sun due to dangerous heat and humidity.
The threat of strong storms and oppressive heat will linger into the weekend, with another round of thunderstorms possible Saturday and Sunday. More advisories may follow as new systems develop, so keep checking for updates.
Five Day Forecast for Jacksonville, FL:
- Tuesday: High 94, afternoon/evening storms, heat index up to 106.
- Wednesday: High 92, storms likely, heat index up to 101.
- Thursday: High 89, more storms likely after noon.
- Friday: High 88, frequent showers and thunderstorms.
- Saturday: Storms continue, high near 89, ongoing heat and humidity.
